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Files

T

Helmut Januschka 7daaabc795 fix: add tui.alternate_screen config and --no-alt-screen CLI flag for Zellij scrollback (#8555 )

Fixes #2558

Codex uses alternate screen mode (CSI 1049) which, per xterm spec,
doesn't support scrollback. Zellij follows this strictly, so users can't
scroll back through output.

**Changes:**
- Add `tui.alternate_screen` config: `auto` (default), `always`, `never`
- Add `--no-alt-screen` CLI flag
- Auto-detect Zellij and skip alt screen (uses existing `ZELLIJ` env var
detection)

**Usage:**
```bash
# CLI flag
codex --no-alt-screen

# Or in config.toml
[tui]
alternate_screen = "never"
```

With default `auto` mode, Zellij users get working scrollback without
any config changes.

---------

Co-authored-by: Josh McKinney <joshka@openai.com>

7daaabc795 · 2026-01-09 18:38:26 +00:00

History

src

fix: add tui.alternate_screen config and --no-alt-screen CLI flag for Zellij scrollback (#8555 )

2026-01-09 18:38:26 +00:00

templates

Removed experimental "command risk assessment" feature (#7799 )

2025-12-10 09:48:11 -08:00

tests

renaming: task to turn (#8963 )

2026-01-09 17:31:17 +00:00

Cargo.toml

fix: leverage codex_utils_cargo_bin() in codex-rs/core/tests/suite (#8887 )

2026-01-08 14:56:16 +00:00

gpt_5_1_prompt.md

chore(prompt) Remove truncation details (#7941 )

2025-12-12 20:21:53 +00:00

gpt_5_2_prompt.md

chore(prompt) Remove truncation details (#7941 )

2025-12-12 20:21:53 +00:00

gpt_5_codex_prompt.md

refactoring with_escalated_permissions to use SandboxPermissions instead (#7750 )

2025-12-10 17:18:48 +00:00

gpt-5.1-codex-max_prompt.md

refactoring with_escalated_permissions to use SandboxPermissions instead (#7750 )

2025-12-10 17:18:48 +00:00

gpt-5.2-codex_prompt.md

caribou (#8265 )

2025-12-18 08:58:44 -08:00

models.json

Update models.json (#8792 )

2026-01-08 10:26:01 -08:00

prompt_with_apply_patch_instructions.md

Merge Modelfamily into modelinfo (#8763 )

2026-01-07 10:35:09 -08:00

prompt.md

chore(prompt) Update base prompt (#7943 )

2025-12-12 20:50:49 +00:00

README.md

docs: align sandbox defaults, dedupe sections and improve getting started guide (#5357 )

2025-10-19 16:41:10 -07:00

review_prompt.md

docs: Fix markdown list item spacing in codex-rs/core/review_prompt.md (#4144 )

2025-10-30 17:39:21 -07:00

README.md

codex-core

This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.

Dependencies

Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:

macOS

Expects /usr/bin/sandbox-exec to be present.

Linux

Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.

All Platforms

Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.